Quick answer: tick items off as you pack for competition day. Your progress is saved automatically in this browser, so you can close the page and come back to it. This is a general-purpose list - always check it against your own team's specific requirements first.
Core Kit
Hair and Makeup
Comfort for a Long Day
Practical Extras
Always Confirm With Your Coach
This is a general-purpose starting point, not a substitute for your team's own packing list - gyms vary in exact hairstyle, makeup and uniform requirements. See What Should My Child Take to Competition? for the full explanation behind each item.